On Tue, 8 Apr 2003 13:50:37 -0300, you wrote: >Hello pic, > I need to generate a sine wave of 500, 2000, 4000, 5000, 8000 Hz for > an audio aplication (Headphone tester). > A microcontroller will program frequency and amplitud of the > sinusoidal wave. > Someone knows a digital variable sinewave generator ? > Thanks in advance. > Gus. ML2036 from Fairchild http://www.fairchildsemi.com/pf/ML/ML2036C.html Doesn't do programmable amplitude but does have amplitude via an external= voltage, that you could probably drive from a DAC. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics